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Synthesis and Activity of a New Generation of Ruthenium-Based Olefin Metathesis Catalysts Coordinated with 1,3-Dimesityl-4,5-dihydroimidazol-2-ylidene Ligands

Scholl, Matthias, Ding, Sheng, Lee, Choon Woo, Grubbs, Robert H.·1999·Organic Letters
DOI 10.1021/ol990909q
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Abstract

[formula: see text] A new family of 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene-substituted ruthenium-based complexes 9a-c has been prepared starting from RuCl2(=CHPh)(PCy3)2 2. These air- and water-tolerant complexes were shown to exhibit an increased ring-closing metathesis activity at elevated temperature when compared to that of the parent complex 2 and the previously developed complex 3. In many instances the activity of these complexes also rivaled or exceeded that of the alkoxy-imido molybdenum complex 1. Catalyst loadings of as low as 0.05 mol% could be used.

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Research works printed but not linked: 21

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Metadata

Authors
Scholl, M., Ding, S., Lee, C. W., & Grubbs, R. H.
Venue
Organic Letters
Publisher
American Chemical Society (ACS)
Published
1999-08-13
Volume
1
Issue
6
Pages
953-956
ISSN
  • 1523-7052 (ISSN-L)
  • 1523-7060
DOI
10.1021/ol990909q
OpenAlex
W1969335186
Cited by
3,467
References
0
FWCI
85.67
Type
journal article
Language
en
Open access
closed

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